Arm64: arrange for line number emission for .inst
authorJan Beulich <jbeulich@suse.com>
Thu, 7 Apr 2022 06:16:29 +0000 (08:16 +0200)
committerJan Beulich <jbeulich@suse.com>
Thu, 7 Apr 2022 06:16:29 +0000 (08:16 +0200)
Just like insns encoded the more conventional way these should have line
number info associated with them.

gas/config/tc-aarch64.c
gas/testsuite/gas/aarch64/inst-directive.d
gas/testsuite/gas/aarch64/inst-directive.s
gas/testsuite/gas/aarch64/inst-dwarf.d [new file with mode: 0644]

index a4ef65274e492e51a613d797bc4760a66aaecc89..cbebc6b48c848caf213cf8258e68e8ca6826beb1 100644 (file)
@@ -1982,6 +1982,7 @@ static void
 s_aarch64_inst (int ignored ATTRIBUTE_UNUSED)
 {
   expressionS exp;
+  unsigned n = 0;
 
 #ifdef md_flush_pending_output
   md_flush_pending_output ();
@@ -2020,10 +2021,13 @@ s_aarch64_inst (int ignored ATTRIBUTE_UNUSED)
          unsigned int val = exp.X_add_number;
          exp.X_add_number = SWAP_32 (val);
        }
-      emit_expr (&exp, 4);
+      emit_expr (&exp, INSN_SIZE);
+      ++n;
     }
   while (*input_line_pointer++ == ',');
 
+  dwarf2_emit_insn (n * INSN_SIZE);
+
   /* Put terminator back into stream.  */
   input_line_pointer--;
   demand_empty_rest_of_line ();
index fa64ce8596419d78ba192547b226930d9f630e5c..36a135f29a40870ccc7894310e9fbae748820a47 100644 (file)
@@ -6,3 +6,6 @@ Disassembly of section \.text:
 
 0+ <.*>:
    0:  3619194c        tbz     w12, #3, 2328 <\.text\+0x2328>
+ *[0-9a-f]*:   d503201f        nop
+ *[0-9a-f]*:   d503201f        nop
+ *[0-9a-f]*:   d503201f        nop
index e928362efea0a933b50c10066c5c6f853aa753eb..1c2e9bc591b09c0f0bed45c27ef4c6909f97c028 100644 (file)
@@ -3,3 +3,4 @@
 
 .text
        .inst   0x3619194c
+       .inst   0xd503201f, 0xd503201f, 0xd503201f
diff --git a/gas/testsuite/gas/aarch64/inst-dwarf.d b/gas/testsuite/gas/aarch64/inst-dwarf.d
new file mode 100644 (file)
index 0000000..f5c0d35
--- /dev/null
@@ -0,0 +1,15 @@
+#as: -gdwarf-2
+#name: Dwarf line number info for .inst
+#objdump: -WL -w
+#source: inst-directive.s
+
+.*:[   ]+file format .*
+
+Contents of the .debug_line section:
+
+CU: .*/inst-directive.s:
+File name +Line number +Starting address.*
+inst-directive.s +5 +0.*
+inst-directive.s +6 +0x4.*
+inst-directive.s +- +0x10
+#pass